On Wednesday, House Speaker Paul Ryan announced he will not be seeking reelection come November. That means his seat in southeastern Wisconsin is up for grabs — and a Democrat named Randy Bryce, whose formidable and bristly mustache earned him the nickname “IronStache,” is angling to get it.

Bryce has already raised $4.75 million, mostly from small donors. The fact that he’s a union man and an army veteran appeals to the conservative base of Wisconsin’s 1st Congressional District.